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https://issues.apache.org/jira/browse/DRILL-7590?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17039521#comment-17039521
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ASF GitHub Bot commented on DRILL-7590:
---------------------------------------
paul-rogers commented on issue #1988: DRILL-7590: Refactor plugin registry
URL: https://github.com/apache/drill/pull/1988#issuecomment-587940974
Java 13 build failed due to known problems:
```
[ERROR] Errors:
[ERROR] TestDynamicUDFSupport.testDuplicatedJarInLocalRegistry ยป
UserRemote VALIDATION...
```
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> Refactor plugin registry
> ------------------------
>
> Key: DRILL-7590
> URL: https://issues.apache.org/jira/browse/DRILL-7590
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.17.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Priority: Major
> Fix For: 1.18.0
>
>
> The plugin registry connects configurations, stored in ZK, with
> implementations, which are Java classes. The registry handles a large number
> of tasks including:
> * Populating "bootstrap" plugin configurations and handling upgrades.
> * Reading from, and writing to, the persistent store in ZK.
> * Handling "normal" (configured) plugins and special system plugins (which
> have no configuration.)
> * Handle format plugins which are always associated with the DFS storage
> plugin.
> * And so on.
> The code has grown overly complex. As we look to add a new, cleaner plugin
> mechanism, we will start by cleaning up what we have to allow the new
> mechanism to be one of many.
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